The act of mimicking the sound of Chewbacca's cry when you climax during sexual inter coarse. Added Chewbacca noises when ejaculating.
"After thrusting his hips for hours, the man chewied upon climaxing into the woman's vagina."
"Grandma complains about the Chewbacca noise she hears at about the same time every night for a brief moment."